Can perforator



C. A. GORDY CAN PERFORATOR Se t. 30-, 1924.

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Filed Marsh 14.

Patented Sept-30,1924.

1,509,861 TED STATES PATENT OFFICE.

cmnnns A, eonmr, or ransom), CALIFORNIA.

can rnnromron,

To all wlwm it may concern:

Hanford, in the county of Kings and State of California, have inventedcertain new and useful Improvements in Can Perforators, of which thefollowing is a specification.

' This invention has reference to can perforators, and'is intended toproduce spaced perforations in the top of a can, particularly anevaporated cream can, whereby the contents of the can may be readilypoured out of the can for use.

The contents of evaporated cream cans are usually ofsemi-liquid'consistency, being formed of milk or cream evaporated toabout h the can provided there are two holes'on one-half of the lwateroriginally contained in the milk or cream, and consequently suchcontents are semi-thick but will flow from contents fairly flowable andit is the object of the invention to produce at a single operation, twoholes 1n the top of the can to facilitate the flow of milk therefromwhen needed with the holes so small as to guard vagainst the readycontamination of the milk or cream 'so that the contents of the canwill, remain sweet for a considerable time,

, thus permitting the can of milk to be used up without harm to suchcontents. In accordance with the invention, there is provided a frame oryoke adapted to rest on the top of the can and extend diamet-ricallythereof and also provided with a'radialextension whereby! .there areformed three legs equidistantly disposed and arranged to encircle thetop of the can thus giving ample support for the device.

There is provided in conjunction-with the body of the device, a slideextending diametrically of the can and provided with plercing points atopposite sides while the point carrying structure is upheld withrelation to the top of the can to, be piercedby means of a spring inconjunction with guides directing the piercing member of the device.-Moreover provision is made for guiding the piercing member so that itmain tains a substantiallyperpendicular position with reference to themain body of the strucspect to the top of the can,

- ture, thus ensuring a direct piercing of the Be i known that I,CHARLES A.. ironingv a citizen of the United States, residing at top ofthe can close to the edges thereof and resulting when a How is deliveredto a convenient handle provided for the purpose, the piercing pointswill enter and pass through the top of the can to the interiorthereofand produce the required holes, one I of which may be used forpermitting the escape-of the contents of the can and the other of whichwill admit of the. entrance so long as such changes and modifications,mark no material departure from the salient features of the-inventionas expressed in the appended claims.

In the drawin s:

Figure 1 is a View partly in elevation and partly in section showing thecan piercing structure in position to be forced throughthe top of thecan.

Fig. 2 is a plan view of the structure of Fig. 1.

ture of Figs. 1 and 2,

Fig. 4 isan inverted view of the can piercing element removed fromthebody of the device.

Referring to the drawings, there is shown Fig. 3 is an inverted View ofthe strucin Figs. land 2, a can 1, which may be' taken as typical of ametal can used for evaporated cream such as is obtainable on the market.

There is provided for use in connection with the can 1, a piercingdevice A comprlsing a plate 2 of'a length and. width to extenddiametrically with respect to the can 1 and beyond opposite edgesthereof.

In order to center the plate 2 with rethere are provided atdiametrically oppositesides of the top 2, downwardly extending lugs 3having a somewhat greater separation thanthe diametric width of the can.

ltesting on the top of the plate or base 2 of the structure andcoincident with butat somewhat greater spacing than the extreme edges ofthe plate 2, are hollow posts 4: standing upright and coincident with]perforations 5 through the plate 2.

The posts 4 have open upper ends 6 each traversed by a pin 7. The posts6 carry the parallel end legs 8 of a reciprocatory yoke member 9 whichlegs are provided at their lower ends with piercing members 10 which maybe of pointed conformation so as to readily pierce the top of the camlocated thereunder.

At the central portion of the yoke 9 there is located an expanded handlepart 11, between which and a socket 12, there is located an expansionspring 13 tending to hold the yoke 9 up against the pins 7, in whichposition the points of the piercing members 10 are above the top of theplate 2 and ready, on depression, to enter and pierce the top of the can-1.

The plate 2 is formed with a side extension 14 at right anglesto'thediametrically opposite members of the plate 2, the said members 2 of theplate, and the member 14 thereof constituting a tripod'with the memlloer1% having a lug l5 equidistant from the ugs The spring 13 is lodged atthe upper end in a socket 16 and at the lower end within another socket12 serving to guide the spring in the movements of the yoke 9 up anddown.

When it is desired to pierce the top of the can, the cover or plate 2 isadjusted over the top of the can, :being guided by the lugs 3 and 15 tocentralize therewith. In the meantime, the yoke 9 is held in theuppermost position against the pins 7 by means of the spring 13, andthen the operator b delivering a blow to the handle 11, is able toovercome the resistance of the spring 13 and cause the pointed members10 to engage and pass through the top of the can, producing holestherein, the spring 13 havmg sufiicient power to lift the yoke 9 to anextent to withdraw the piercing points 10 from the can, and then theentire structure may be lifted from the can, being free from attachmentthereto.

There is thus produced, two diametrically oposite holes through the topof the can, one permitting the escapeof milk when the can is inverted,and the other admitting air to break the vacuum formed in the can by theoutflow of milk.

The piercing structure is very readily applied to and centered on thetop of the can so that the holes caused by the piercing members 10 arelocated close to the inner margins of the can whereby the milk or creammay be poured from the can without liability of spilling thereof.

The can piercing device is particularly adapted to the piercing of thetops of evaporated cream cans, but it is to be understood that it may beused in connection with other cans where it is desired to obtain thecontents thereof through relatively minute passages, the device beingparticularly advantageous in obtaining the flow of evaporated cream froma can thereof.

What is claimed is 1. A perforating device of the character describedcomprising, a plate havin tering means extending from one si e andfurther having apertures therethrough, spaced vertical channeled guideposts carried by said plate, a yoke member having its extremitiesslidable in said posts, piercing means carried by said extremities inalinement with said apertures for passage therethrough and normallyhoused in said posts, and means for retaining said yoke and piercingmeans in retracted position.

2. A perforating device of the character described comprising, a platehaving a plurality of center!!! lugs extendin from one side at the edget ereof and furt er having spaced apertures therethrough, spacedchanneled guide posts integral with and extending at right an les fromthe other side of said plate, a yo e member connectin said guide postsand having its ends shdable therein, piercing means carried by said yokein alinement with said apertures, and means normall tending to removesaid piercing means rom sai apertures.

3. A perforating device of the character described comprising, a platehaving centering means extending from one side at the edge thereof andfurther havin spaced apertures therethrough, spaced 0 anneled guideposts integral with and extending at y right angles from the other sideof said plate, a yoke member connecting said guide posts and having itsends slidable therein, piercing means carried by said yoke in alinementwith said apertures and normally housed in said channeled posts, and anexpansible spring between the top of said plate and the underside ofsaid yoke and normally tendin to force said yoke outwardly from said pate.

- 4. A perforating device of the character described comprising, a platehaving formed upon its. underside lu s for centering the same, verticalspace inwardly opening channeled guide osts integral with the upper sideof sai plate, said plate being provided. with a pair of apertures eachopening into one of said channeled posts, a yoke member having itsterminals formed to rovide vertical dparallel legs slidably hel in saidchannele posts, a iercing member carried at the lower end 0? each legand adapted to traverse an a erture, sprin means normally forcing saidyoke upwar to hold said piercing members poised above said apertures,and a pin extending transversely III of said channeled posts at theupper ends thereof to limit the upward movement of the said yoke.

5. A perforating device of the character described comprising, a platehaving formed upon its under side lugs for centeringthe same, verticalspaced inwardly opening channeled guide posts upon the u r side of saidplate, said plate being provi ed with a pair of apertures each openininto one of said channels, a yoke member aving its terminals formedtoprovide vertical parallellegs slidably held in said channels, a piercingmember carried at the lower end of each leg and ads. tedto traverse anaper- 15 normally forcing the same upward away 20 from said plate.

In testimony whereof, I afiix my signature hereto.

CHARLES 'A'. GORDY.

